Question 12 (1 point)

A negative standard score (z score) means that:

Question 12 options:

	the individual data value is equal to than the mean
	the individual data value is more than the mean
	the individual data value is less than the mean
	the z score is expressed in units of measure

Question 18 (1 point)

A researcher would reject a null hypothesis if:

Question 18 options:

	The test statistic was greater than the critical value
	The test statistic was less than the critical value
	The P value was 0.55
	The P value was greater than 0.05

Question 19 (1 point)

In medical statistics, we generally set the level of significance at:

Question 19 options:

	0.01
	0.05
	0.10
	0.50